What is an incel? Facebook post by Toronto van attack suspect focuses attention on misogynist culture that flourished on Reddit

The Toronto van attack, which killed 10 people and injured many more, seemed like an unexplained and unexpected act of brutality. Shortly before the attack on Monday, a chilling post appeared on the suspect's now-deleted Facebook feed. It saluted Elliot Rodger, and went onto use a number of words common to the dark internet community that appeared to have spawned it.